Gateway Guide: St. Louis District Mobility March/April/May 2021

2021·51.1 MB·English

by  Missouri Department of Transportation

ST. LOUIS DISTRIC T M O BILITY
QUARTERLY REGIONAL MOBILITY REPORT  MARCH/APRIL/MAY 2021| EDITION NO. 15

Table of Contents

EXECUTIVE SUMMARY 1-3
Provide Outstanding
Customer Service & Deliver

Transportation Services of
Great Value

FREEWAY MANAGEMENT 4-14
Operate a Reliable and
Convenient Transportation
System
Use Resources Wisely &
Advance Economic
Development

WORK ZONE 15-16
MANAGEMENT
Keep Roads and Bridges in
Good Condition

INCIDENT MANAGEMENT 17-77
Keep Customers and
Ourselves Safe

March thru May 2020 Grainndd TToottaall aanndd AAvveerraaggee March thru May 2021 Grand Total and Average

Delay coosstt:: Delay cost:

Total $5,09388,,440099 Total $10,414,105

Hours of ddeellaayy Hours of delay
Person-hours: 20l66,,882211hh 4444mm Person-hours: 422,457h 54m
Vehicle hours: 168,834h 04m Vehicle hours: 344,863h 36m
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EXECUTIVE SUMMARY
MoDOT
ST. LOUIS DISTRICT  QUARTERLY REGIONAL MOBILITY REPORT  MARCH/APRIL/MAY 2021

ZONING IN

Fatal Crash Clearance times increased by 27.8% YTD in 2021 TMS Work Zones:
compared to 2020 March 2021: 183
April 2021: 306
The number of tractor trailer crashes increased by 38.9% YTD in 2021
compared to 2020 - May 2021: 261
Work Zone Impact Breakdown:
Work zone crashes increased by 0.3% YTD in 2021 compared to 2020
Major: 9 – (+200%)

Overall AM Regional Mobility for the quarter improved and PM
Moderate: 9 – (+125%)
Regional Mobility declined compared to the same quarter 2020
Eastbound I-64 at I-55/I-70/US-40 was the top congested segment this Minor: 732 – (+10%)
quarter with Eastbound I-270 at US-67/LINDBERGH BLVD was the
WORK ZONE CRASHES: 72
second congested segment.

Planned Event

Location: I-270 between I-70 and I-55
Date: Entire Quarter
Event Detail: Congestion trending to pre Covid levels
Unplanned Event

Location: St. Louis County, I-255 EB at Telegraph Rd.
Date: 4-24-2021 Event Detail: Overturned tractor trailer spilled its load of metal pipes and spilling an unknown amount of fuel. There were two
injuries with extraction and ejection. This resulted in a 1.8 mile-long queue. The EB lanes were closed ~8 hours 32 minutes.

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EXECUTIVE SUMMARY
MoDOT
ST. LOUIS DISTRICT  QUARTERLY REGIONAL MOBILITY REPORT  MARCH/APRIL/MAY 2021

Top 5 Congestion Locations / March – May 2020 vs. March – May 2021

*Locations ranked on Weighted Total Impact (Raw speed drop weighted by Vehicle Miles Traveled VMT Factor)
Congestion Locations 2020 *Weighted Average Average Daily Duration Total Duration
Total Impact Queue Length Miles
1 I-70 W @ FIFTH ST/EXIT 229 25,818,056 3.78 17 m 1 d 2 h 22 m
2 I-70 W @ EARTH CITY EXPY/EXIT 231 21,083,855 1.79 50 m 3 d 5 h 51 m
3 I-44 W @ I-270/EXIT 276 13,207,577 2.39 17 m 1 d 2 h 37 m
4 I-44 W @ HIGHWAY DR/EXIT 275 12,783,692 2.28 6 m 10 h 4 m
5 I-44 E @ HIGHWAY DR/EXIT 275 12,532,823 2.1 10 m 16 h 6 m

Congestion Locations 2021 *Weighted Average Average Daily Duration Total Duration
Total Impact Queue Length Miles
1 I-64 E @ I-55/I-70/US-40 47,530,701 1.38 1 h 40 m 6 d 9 h 22 m
2 I-270 E @ US-67/LINDBERGH BLVD/EXIT 25 33,514,630 1.81 52 m 3 d 9 h 5 m
3 I-270 E @ FLORISSANT AVE/EXIT 29 29,358,593 2.5 39 m 2 d 12 h 1 m
4 I-64 W @ I-70 24,270,274 5.18 1 h 7 m 4 d 7 h 56 m
5 I-270 N @ I-70 18,743,062 2.82 18 m 1 d 3 h 51 m

Average Incident Duration Comparison / 2020 vs. 2021
Month Average Incident Duration 2020 2021
(Minutes: Seconds)
March Lane Clearance 27:42 31:57
March Incident Clearance 28:09 31:55
April Lane Clearance 22:16 36:10
April Incident Clearance 22:30 35:59
May Lane Clearance 29:40 33:03
May Incident Clearance 29:56 32:47
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FREEWAY MANAGEMENT

ST. LOUIS DISTRICT  QUARTERLY REGIONAL MOBILITY REPORT  MARCH/APRIL/MAY 2021

INCREASE in Overall AM Mobility

AM Peak Mobility March/April/May 2020 vs March/April/May 2021 *

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2020 Regional % of free-flow speed hourly breakdown**: 2021
2020 2021
□ > 90 % of free-flow speed 6 AM 99.6%  99.9% * 7am hour shown
7 AM 98.9%  99.4%
85% - 90 % of free-flow speed
□ **Regional % of free-flow speed is the
8 AM 99.0%  99.0%
80 % - 85 % of free-flow speed averaged % of free-flow speeds for all
□
9 AM 99.4%  99.4%
directions of all freeways within the St.
< 80 % of free-flow speed
■ Louis District. This provides a high-level
4
measurement of overall regional mobility
for each peak hour.

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FREEWAY MANAGEMENT

ST. LOUIS DISTRICT  QUARTERLY REGIONAL MOBILITY REPORT  MARCH/APRIL/MAY 2021

DECREASE in Overall PM Mobility

PM Peak Mobility March/April/May 2020 vs March/April/May 2021 *
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2020 Regional % of free-flow speed hourly breakdown**: 2021
2020 2021
> 90 % of free-flow speed 3 PM 98.8%  97.0%
□ *
5pm hour shown
85% - 90 % of free-flow speed 4 PM 98.0%  95.9%
□ **
Regional % of free-flow speed is the
5 PM 98.1%  96.7%
80 % - 85 % of free-flow speed
□ averaged % of free-flow speeds for all
6 PM 99.4%  99.4% directions of all freeways within the St.
< 80 % of free-flow speed
■
7 PM 99.35%  99.6% Louis District. This provides a high-level
measurement of overall regional mobility
for each peak hour.
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FREEWAY MANAGEMENT

ST. LOUIS DISTRICT  QUARTERLY REGIONAL MOBILITY REPORT  MARCH/APRIL/MAY 2021

Top 5 Congestion Locations Comparison

Comparing Top 5 Congestion Locations of March/April/May 2020 to March/April/May 2021
I-70 W @ FIFTH ST/EXIT 229
□1 I~--~
Mobility INCREASED from 2020  2021

I-70 W @ EARTH CITY EXPY/EXIT 231
□2 .____I-------'
Mobility INCREASED from 2020  2021

.____I-------'
I-44 W @ I-270/EXIT 276
□3
Mobility INCREASED from 2020  2021

.____I-------'
I-44 W @ HIGHWAY DR/EXIT 275
□4
Mobility INCREASED from 2020  2021

.____I-------'
I-44 E @ HIGHWAY DR/EXIT 275
□5
Mobility INCREASED from 2020  2021

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FREEWAY MANAGEMENT

ST. LOUIS DISTRICT  QUARTERLY REGIONAL MOBILITY REPORT  MARCH/APRIL/MAY 2021

2020 WB I-70

Congestion for 1-70 Westbound between Cypress Rd/Hunter Rd/Exit 235 and MO-C/Mid Rivers Ml Dr/Exit 222 using HERE data
Averaged by 2 minutes for March 2020 through May 2020 (Every weekday)
CJ CJ CJ CJ CJ CJ CJ CJ CJ CJ CJ
6 AM 7 AM 8 AM 9 AM 10 AM 11 AM 12 PM 1 PM 2 PM 3 PM 4 PM 5 PM 6 PM 7 PM
2
I-70 W @ EARTH CITY EXPY/EXIT 231
1
I-70 W @ FIFTH ST/EXIT 229
Congestion(%)
80 85 90 100
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FREEWAY MANAGEMENT

ST. LOUIS DISTRICT  QUARTERLY REGIONAL MOBILITY REPORT  MARCH/APRIL/MAY 2021

2021 WB I-70
Congestion for 1-70 Westbound between Cypress Rd/Hunter Rd/Exit 235 and MO-C/Mid Rivers Ml Dr/Exit 222 using HERE data
Averaged by 2 minutes for March 2021 through May 2021 (Every weekday}
March 2021 through May 2021 (Every w.ekday)
C6 AMJ C7 AMJ C8 AMJ C9 AMJ C10 AJM C11 AJM C12 PJM C1 PMJ C2 PMJ C3 PMJ C4 PMJ 5 PM C6 PMJ 7 PM
2
I-70 W @ EARTH CITY EXPY/EXIT 231
1
I-70 W @ FIFTH ST/EXIT 229
Congestion(%)
0 80 85 90 100
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FREEWAY MANAGEMENT

ST. LOUIS DISTRICT  QUARTERLY REGIONAL MOBILITY REPORT  MARCH/APRIL/MAY 2021

2020 WB I-44

Congestion for 1-44 Westbound between Antire Rd/Exit 269 and Elm Ave/Exit 280 using HERE data
Averaged by 2 minutes for March 2020 through May 2020 (Every weekday)
6 AM 7 AM 8 AM 9 AM 10 AM c11: A:JM C12 PJM 1 PM 2 PM 3 PM C4 PMJ c5 P:MJ C6 PMJ 7 PM
1ml
2ml
3
I-44 W @ I-270/EXIT 276
3ml
4ml
I I ,.,,.
1,111
7ml
8ml
9ml
4
I-44 W @ HIGHWAY DR/EXIT 275 10ml
11ml
Uml
13ml
Congestion(%)
0 80 85 90 100
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FREEWAY MANAGEMENT

ST. LOUIS DISTRICT  QUARTERLY REGIONAL MOBILITY REPORT  MARCH/APRIL/MAY 2021

2021 WB I-44

Congestion for 1-44 Westbound between Antire Rd/Exit 269 and Elm Ave/Exit 280 using HERE data
Averaged by 2 minutes for March 2021 through May 2021 (Every weekday)
March 2021 through May 2011 (Every weekday)
6 AM c7 =AMi 8 AM c9 =AMi c10= AMi c11= AMi c12= PMi c1 =PMi c2 =PMi c3 =PMi c4 =PMi c5 =PMi c6 =PMi 7 PM
1ml
2ml
3
I-44 W @ I-270/EXIT 276
3ml
4ml
I
5ml
0ml
7ml
8ml
9ml
4
I-44 W @ HIGHWAY DR/EXIT 275 10ml
11ml
12ml
13ml
Congestion(%)
80 85 90 100
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